13309540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21467}}^1$

素因数の和:21507

約数の個数: 24

約数和(自身を含む): 28852992

約数和(自身を除く): 15543452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21467, 42934, 85868, 107335, 214670, 429340, 665477, 1330954, 2661908, 3327385, 6654770, 13309540]

約数ペア:

[(1, 13309540), (2, 6654770), (4, 3327385), (5, 2661908), (10, 1330954), (20, 665477), (31, 429340), (62, 214670), (124, 107335), (155, 85868), (310, 42934), (620, 21467)]